package com.mysoft.suweida.controller;

import com.baomidou.mybatisplus.core.conditions.query.LambdaQueryWrapper;
import com.mysoft.suweida.common.R;
import com.mysoft.suweida.entity.User;
import com.mysoft.suweida.service.UserService;
import com.mysoft.suweida.utils.MailUtils;
import lombok.extern.slf4j.Slf4j;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.web.bind.annotation.PostMapping;
import org.springframework.web.bind.annotation.RequestBody;
import org.springframework.web.bind.annotation.RequestMapping;
import org.springframework.web.bind.annotation.RestController;

import javax.mail.MessagingException;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpSession;
import java.util.Map;

@RestController
@RequestMapping("/user")
@Slf4j
public class UserController {
    @Autowired
    private UserService userService;

    /**
     * 发送验证码*/
    @PostMapping("/sendMsg")
    public R<String> sendMsg(@RequestBody User user,HttpSession session) throws MessagingException {
        //获取手机号
        String phone = user.getPhone();

        if (!phone.isEmpty()) {
            //随机生成一个验证码
            String code = MailUtils.achieveCode();
            log.info(code);
            //这里的phone其实就是邮箱，code是我们生成的验证码
            //MailUtils.sendTestMail(phone, code);
            //验证码存session，方便后面拿出来比对
            session.setAttribute(phone,code);
            return R.success("验证码发送成功");
        }
        return R.error("验证码发送失败");
    }

    /**
     * 移动端用户登录*/
    @PostMapping("/login")
    public R<User> login(@RequestBody Map map, HttpSession session){
        log.info(map.toString());

        //获取邮箱
        String phone = map.get("phone").toString();
        //获取验证码
        String code = map.get("code").toString();
        //从session中获取保存的验证码
        String codeInSession = session.getAttribute(phone).toString();
        //对验证码比对（页面提交的验证码和session中保存的验证码对比）
        if (code != null && code.equals(codeInSession)){
            //如果比对成功，说明登录成功
            LambdaQueryWrapper<User> queryWrapper = new LambdaQueryWrapper<>();
            queryWrapper.eq(User::getPhone,phone);

            User user = userService.getOne(queryWrapper);
            if (user == null){
                //判断当前手机号对应的用户是否为新用户，如果是就自动完成注册
                user = new User();
                user.setPhone(phone);
                user.setStatus(1);
                userService.save(user);
                user.setName("用户" + codeInSession);
            }
            session.setAttribute("user",user.getId());
            return R.success(user);
        }
        return R.error("登录失败");
    }

    /**
     * 用户退出登录
     * */
    @PostMapping("/loginout")
    public R<String> logout(HttpServletRequest request){
        request.getSession().removeAttribute("user");
        return R.success("退出成功！");
    }
}
